CMake: Move lorawan stubs to the lorawan dir

Move the connectivity lorawan stubs into the connectivity/lorawan
component directory. So we can avoid duplicating the mbed-os source
tree in a central UNITTESTS folder.

Author: rajkan01

UNITTESTS/stubs/connectivity/CMakeLists.txt

@@ -23,14 +23,6 @@ target_sources(mbed-stubs-connectivity
         cipher_stub.c
         cmac_stub.c
         ip4tos_stub.c
-        LoRaMacChannelPlan_stub.cpp
-        LoRaMacCommand_stub.cpp
-        LoRaMacCrypto_stub.cpp
-        LoRaMac_stub.cpp
-        LoRaPHYEU868_stub.cpp
-        LoRaPHY_stub.cpp
-        LoRaWANStack_stub.cpp
-        LoRaWANTimer_stub.cpp
         MeshInterface_stub.cpp
         NetworkInterfaceDefaults_stub.cpp
         NetworkInterface_stub.cpp

connectivity/lorawan/tests/UNITTESTS/CMakeLists.txt

@@ -1,4 +1,5 @@
 # Copyright (c) 2021 ARM Limited. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
+add_subdirectory(doubles)
 add_subdirectory(features)

connectivity/lorawan/tests/UNITTESTS/doubles/CMakeLists.txt

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+add_library(mbed-stubs-lorawan)
+
+target_compile_definitions(mbed-stubs-lorawan
+    PRIVATE
+        MBED_CONF_LORA_TX_MAX_SIZE=255
+)
+
+target_sources(mbed-stubs-lorawan
+    PRIVATE
+        LoRaMacChannelPlan_stub.cpp
+        LoRaMacCommand_stub.cpp
+        LoRaMacCrypto_stub.cpp
+        LoRaMac_stub.cpp
+        LoRaPHYEU868_stub.cpp
+        LoRaPHY_stub.cpp
+        LoRaWANStack_stub.cpp
+        LoRaWANTimer_stub.cpp
+)
+
+target_link_libraries(mbed-stubs-lorawan
+    PRIVATE
+        mbed-headers
+        mbed-stubs-headers
+        gtest
+)